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Which worlds are possible? A judgment aggregation problem

List, Christian


Suppose the members of a group (e.g., committee, jury, expert panel) each form a judgment on which worlds in a given set are possible, subject to the constraint that at least one world is possible but not all are. The group seeks to aggregate these individual judgments into a collective judgment, subject to the same constraint. I show that no judgment aggregation rule can solve this problem in accordance with three conditions: "unanimity," "independence" and "non-dictatorship," Although the...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Journal of Philosophical Logic
DOI: 10.1007/s10992-007-9058-y


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